Use a vertical shift to graph the function.y = -3 cos 
x - 2 
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.Given the cost function, C(x), and the revenue function, R(x), find the number of units x that must be sold to break even. C(x) = 56x + 900 R(x) = 71x
A. 60 units B. 11 units C. 61 units D. 62 units
Solve the problem.After being struck with a hammer, a gong vibrates 24 vibrations in the first second and in each second thereafter makes 
as many vibrations as in the previous second. Find how many vibrations the gong makes before it stops vibrating.
A. 27 vibrations B. 106 vibrations C. 96 vibrations D. 32 vibrations
Find the zeros of f(x), given that one zero is k.f(x) = 3x4 - 25x3 + 83x2 - 103x + 26
k = 
A. 2, 
, 3 ± 2i
B. -2, 
, 3 ± 2i
C. -2, - 
, 2 ± 3i
D. 2, - 
, 2 ± 3i
Use the number line to determine whether the statement is true or false. 
4 > -2
A. True B. False